<template>
    <div class="header">
       <div class="header-left">
          <div class="iconfont back-icon">&#xe624;</div>
       </div>
       <div class="header-input">
          <span class="iconfont">&#xe632;</span>
          请输入搜索信息
       </div>
       <router-link to="/city">
        <div class="header-right">
        {{this.city | ellipsis }}
          <span class="iconfont arrow-icon">&#xe64a;</span>
        </div>
      </router-link>
    </div>
</template>
<script>
import {mapState} from 'vuex'
export default{
  name: 'HomeHeader',
  computed: {
    ...mapState(['city'])
  },
  filters: {
    ellipsis (value) {
      if (!value) return ''
      if (value.length > 4) {
        return value.slice(0, 4) + '.'
      }
      return value
    }
  }
}
</script>
<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.header
  display:flex
  line-height: .86rem
  background: $bgColor
  color: #fff
  .header-input
    flex: 1
    line-height: .64rem
    background: #fff
    border-radius: .1rem
    height: .64rem
    margin-top: .12rem
    color: #ccc
    padding-left: .2rem
  .header-left
    width: .64rem
    float: left
    .back-icon
     text-align: center
     font-size: .4rem
  .header-right
    min-width:1.04rem
    padding: 0 .1rem
    float: right
    text-align:center
    color: #fff
    overflow: hidden
    white-space: nowrap
    .arrow-icon
     font-size: .2rem
     margin-left: -.04rem
</style>
